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siddhartha-gadgil.github.io
| | mattbaker.blog
2.9 parsecs away

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| | In my previous post, I presented a proof of the existence portion of the structure theorem for finitely generated modules over a PID based on the Smith Normal Form of a matrix. In this post, I'd like to explain how the uniqueness portion of that theorem is actually a special case of a more general...
| | adam.chlipala.net
3.1 parsecs away

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| | [AI summary] This text provides an in-depth exploration of advanced Coq proof techniques, focusing on manual proofs, recursion, and induction principles for complex data structures. It covers topics like nested inductive types, custom induction principles, and the design philosophy behind Coq's approach to proof automation. The text includes detailed examples of proof scripts, such as manual proofs for discrimination and injectivity of constructors, and discusses the use of tactics like discriminate and injection. It also touches on the implementation of functions like pred and the role of hints in improving proof readability and automation.
| | almostsuremath.com
3.5 parsecs away

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| | The aim of this post is to motivate the idea of representing probability spaces as states on a commutative algebra. We will consider how this abstract construction relates directly to classical probabilities. In the standard axiomatization of probability theory, due to Kolmogorov, the central construct is a probability space $latex {(\Omega,\mathcal F,{\mathbb P})}&fg=000000$. This consists...
| | djalil.chafai.net
18.0 parsecs away

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| Voici ce que m'inspire le prix de l'immobilier dans le grand Paris. Dans mon quartier, à Vincennes, nous en sommes déjà au billet vert... Autre idée amusante : le prix au kilo des pièces de monnaie. Recto Verso Valeur Dimensions ?/m² 5 ? 120 × 62 672 10 ? 127 × 67 1175 20 ? 133 × 72 2089 50...